16781880320

素因数分解:

$2^{10}\times 5^1\times {\mathrm{613}}^1\times {\mathrm{5347}}^1$

素因数の和:5985

約数の個数: 88

約数和(自身を含む): 40330059504

約数和(自身を除く): 23548179184

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 613, 640, 1024, 1226, 1280, 2452, 2560, 3065, 4904, 5120, 5347, 6130, 9808, 10694, 12260, 19616, 21388, 24520, 26735, 39232, 42776, 49040, 53470, 78464, 85552, 98080, 106940, 156928, 171104, 196160, 213880, 313856, 342208, 392320, 427760, 627712, 684416, 784640, 855520, 1368832, 1569280, 1711040, 2737664, 3138560, 3277711, 3422080, 5475328, 6555422, 6844160, 13110844, 13688320, 16388555, 26221688, 27376640, 32777110, 52443376, 65554220, 104886752, 131108440, 209773504, 262216880, 419547008, 524433760, 839094016, 1048867520, 1678188032, 2097735040, 3356376064, 4195470080, 8390940160, 16781880320]

約数ペア:

[(1, 16781880320), (2, 8390940160), (4, 4195470080), (5, 3356376064), (8, 2097735040), (10, 1678188032), (16, 1048867520), (20, 839094016), (32, 524433760), (40, 419547008), (64, 262216880), (80, 209773504), (128, 131108440), (160, 104886752), (256, 65554220), (320, 52443376), (512, 32777110), (613, 27376640), (640, 26221688), (1024, 16388555), (1226, 13688320), (1280, 13110844), (2452, 6844160), (2560, 6555422), (3065, 5475328), (4904, 3422080), (5120, 3277711), (5347, 3138560), (6130, 2737664), (9808, 1711040), (10694, 1569280), (12260, 1368832), (19616, 855520), (21388, 784640), (24520, 684416), (26735, 627712), (39232, 427760), (42776, 392320), (49040, 342208), (53470, 313856), (78464, 213880), (85552, 196160), (98080, 171104), (106940, 156928)]